Counting Nodes

Noob question.

This statement:

var nTableLength = TableKM.nodes.length;

is intended to count the child objects (rows) of a table which in my case should be a value of 3.

But the value in the debugger indicates that it is counting the children of the rows which are cells, a value of 6.

Is there a way to limit the counting to immediate child objects?

Thx.